package com.qd.system.service.login;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.cdqidi.constant.ConstantDto;
import com.cdqidi.db.BaseService;
import com.cdqidi.dto.CacheKey;
import com.cdqidi.exception.ApiException;
import com.cdqidi.util.RedisTemplateUtil;
import com.qd.common.sys.domain.entity.login.LoginUserOrgDTO;
import com.qd.system.mapper.LoginUserOrgMapper;
import com.qd.system.model.LoginUserOrg;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;

import java.util.Collections;
import java.util.List;
import java.util.Optional;

import static java.util.stream.Collectors.toList;

/**
 * @author sjk
 */
@Service
@Slf4j
@RequiredArgsConstructor
public class LoginUserOrgService extends BaseService<LoginUserOrgMapper, LoginUserOrg> {

    private static final String PREFIX_ID = "sys_login_user_org_id_{0}";
    private static final String PREFIX_UNIQUE_SYS_LOGIN = "sys_login_user_org_personId_{0}_remote_{1}";
    private final RedisTemplateUtil<LoginUserOrg> redisTemplateUtil;

    /**
     * 保存
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public LoginUserOrgDTO save(LoginUserOrgDTO dto) {
        checkUnique(dto);
        final LoginUserOrg model = dtoToModel(dto);
        try {
            if (super.save(model)) {
                return modelToDto(model);
            }
            throw new ApiException("添加失败");
        } finally {
            clearCache(model);
            model.freeData();
        }
    }

    /**
     * 修改
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public LoginUserOrgDTO update(LoginUserOrgDTO dto) {
        checkUnique(dto);
        final LoginUserOrg historyModel = Optional.ofNullable(getById(dto.getId())).orElseThrow(() -> new ApiException("ID不存在,不能更新"));
        final LoginUserOrg model = dtoToModel(dto);
        try {
            if (super.updateById(model)) {
                return modelToDto(model);
            }
            throw new ApiException("更新失败");
        } finally {
            clearCache(model);
            clearCache(historyModel);
            historyModel.freeData();
            model.freeData();
        }
    }

    /**
     * 删除，单个
     *
     * @param id 主键
     */
    @Transactional(rollbackFor = Exception.class)
    public void removeById(String id) {
        LoginUserOrg model = Optional.ofNullable(getById(id)).orElseThrow(() -> new ApiException("数据不存在,不能删除"));
        try {
            if (!super.removeById(id)) {
                throw new ApiException("删除失败");
            }
        } finally {
            clearCache(model);
            model.freeData();
        }
    }

    /**
     * 根据传入对象构建查询参数，判断是否存在
     *
     * @param dto 参数
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExists(LoginUserOrgDTO dto) {
        final QueryWrapper<LoginUserOrg> queryWrapper = createQueryWrapper(dto);
        final boolean exists = super.count(queryWrapper) > 0;
        queryWrapper.clear();
        return exists;
    }

    /**
     * 根据主键判断数据是否存在
     *
     * @param id 主键
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExistsById(String id) {
        boolean exists = false;
        if (StringUtils.hasLength(id)) {
            final LoginUserOrg model = getById(id);
            exists = (null != model);
            if (exists) {
                model.freeData();
            }
        }
        return exists;
    }

    /**
     * 根据主键获取数据
     *
     * @param id 主键
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public LoginUserOrg getById(String id) {
        final String key = RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, id);
        return redisTemplateUtil.get(new CacheKey().setKey(key).setTimeout(ConstantDto.REDIS_TIME_OUT_DAY), () -> super.getById(id), LoginUserOrg.class);
    }

    /**
     * 根据主键获取数据
     *
     * @param id 主键
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public LoginUserOrgDTO getByIdDto(String id) {
        final LoginUserOrg model = getById(id);
        if (null != model) {
            return modelToDto(model);
        }
        return null;
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public LoginUserOrg getOne(LoginUserOrgDTO dto) {
        final QueryWrapper<LoginUserOrg> queryWrapper = createQueryWrapper(dto);
        final LoginUserOrg model = super.getOne(queryWrapper);
        queryWrapper.clear();
        return model;
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public LoginUserOrgDTO getOneDto(LoginUserOrgDTO dto) {
        final LoginUserOrg model = getOne(dto);
        if (null == model) {
            return null;
        }
        final LoginUserOrgDTO newDto = modelToDto(model);
        model.freeData();
        return newDto;
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据
     */
    @Transactional(readOnly = true)
    public List<LoginUserOrg> getList(LoginUserOrgDTO dto) {
        final QueryWrapper<LoginUserOrg> queryWrapper = createQueryWrapper(dto);
        final List<LoginUserOrg> list = super.list(queryWrapper);
        queryWrapper.clear();
        return list;
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据，转换成页面对象
     */
    @Transactional(readOnly = true)
    public List<LoginUserOrgDTO> getListDto(LoginUserOrgDTO dto) {
        return modelToDtoList(getList(dto));
    }

    /**
     * 分页数据
     *
     * @param page 分页对象
     * @param dto  查询参数
     * @return 分页信息
     */
    @Transactional(readOnly = true)
    public IPage<LoginUserOrgDTO> page(Page<LoginUserOrg> page, LoginUserOrgDTO dto) {
        final QueryWrapper<LoginUserOrg> queryWrapper = createQueryWrapper(dto);
        final IPage<LoginUserOrg> iPage = super.page(page, queryWrapper);
        queryWrapper.clear();
        return iPage.convert(this::modelToDto);
    }

    /**
     * 根据唯一性索引获得数据
     * <p>
     * param personId
     * param remote
     *
     * @return 单条数据
     */
    @Transactional(readOnly = true)
    public LoginUserOrg getUniqueByPersonIdAndRemote(String personId, String remote) {
        final QueryWrapper<LoginUserOrg> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("person_id", personId);
        queryWrapper.eq("remote", remote);
        final String key = RedisTemplateUtil.getRedisCacheKey(PREFIX_UNIQUE_SYS_LOGIN, personId, remote);
        final LoginUserOrg model = redisTemplateUtil.get(new CacheKey().setKey(key).setTimeout(ConstantDto.REDIS_TIME_OUT_DAY), () -> super.getOne(queryWrapper, false), LoginUserOrg.class);
        queryWrapper.clear();
        return model;
    }

    /**
     * 验证唯一性索引
     *
     * @param dto 页面对象
     */
    private void checkUnique(LoginUserOrgDTO dto) {
        final LoginUserOrg model = getUniqueByPersonIdAndRemote(dto.getPersonId(), dto.getRemote());
        if (null != model) {
            checkUnique(dto, model);
        }
    }

    /**
     * 验证唯一性索引
     *
     * @param dto   页面对象
     * @param model 根据约束字段查询出来的数据库对象
     */
    private void checkUnique(LoginUserOrgDTO dto, LoginUserOrg model) {
        if (!StringUtils.hasLength(dto.getId())) {
            throw new ApiException("数据已存在，请勿重复添加");
        }
        if (!dto.getId().equals(model.getId())) {
            throw new ApiException("数据已存在，请勿重复添加");
        }
    }

    /**
     * 清空缓存
     *
     * @param model 数据库对象
     */
    public void clearCache(LoginUserOrg model) {
        if (null == model) {
            return;
        }
        redisTemplateUtil.deleteByKey(RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getId()));
        redisTemplateUtil.deleteByKey(RedisTemplateUtil.getRedisCacheKey(PREFIX_UNIQUE_SYS_LOGIN, model.getPersonId(), model.getRemote()));
    }

    /**
     * 批量清空缓存
     *
     * @param list 数据库对象
     */
    public void clearCaches(List<LoginUserOrg> list) {
        if (null == list || list.isEmpty()) {
            return;
        }
        List<String> ids = list.stream().map(model -> RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getId())).collect(toList());
        if (!ids.isEmpty()) {
            redisTemplateUtil.deleteByKey(ids);
            ids.clear();
        }
        List<String> uniqueIds = list.stream().map(model -> RedisTemplateUtil.getRedisCacheKey(PREFIX_UNIQUE_SYS_LOGIN, model.getPersonId(), model.getRemote())).collect(toList());
        if (!uniqueIds.isEmpty()) {
            redisTemplateUtil.deleteByKey(uniqueIds);
            uniqueIds.clear();
        }
    }

    /**
     * 数据库对象转页面对象
     *
     * @param model 数据库对象
     * @return 页面对象
     */
    public LoginUserOrgDTO modelToDto(LoginUserOrg model) {
        if (null == model) {
            return null;
        }
        final LoginUserOrgDTO dto = new LoginUserOrgDTO();
        dto.setId(model.getId());
        dto.setRemote(model.getRemote());
        dto.setOrgId(model.getOrgId());
        dto.setPersonId(model.getPersonId());
        return dto;
    }

    /**
     * 页面对象转数据库对象
     *
     * @param dto 页面对象
     * @return 数据库对象
     */
    public LoginUserOrg dtoToModel(LoginUserOrgDTO dto) {
        if (null == dto) {
            return null;
        }
        final LoginUserOrg model = new LoginUserOrg();
        model.setId(dto.getId());
        model.setRemote(dto.getRemote());
        model.setOrgId(dto.getOrgId());
        model.setPersonId(dto.getPersonId());
        return model;
    }

    /**
     * 数据库对象转页面对象
     *
     * @param list 数据库对象
     * @return 页面对象
     */
    public List<LoginUserOrgDTO> modelToDtoList(List<LoginUserOrg> list) {
        if (null == list) {
            return Collections.emptyList();
        }
        return list.stream().map(this::modelToDto).collect(toList());
    }

    /**
     * 页面对象转数据库对象
     *
     * @param list 页面对象
     * @return 数据库对象
     */
    public List<LoginUserOrg> dtoToModelList(List<LoginUserOrgDTO> list) {
        if (null == list) {
            return Collections.emptyList();
        }
        return list.stream().map(this::dtoToModel).collect(toList());
    }

    /**
     * 拼装查询参数，除了主键的其他字段会自动加入进来
     *
     * @param dto 查询参数，不为空的属性会被自动加入
     */
    public QueryWrapper<LoginUserOrg> createQueryWrapper(LoginUserOrgDTO dto) {
        final QueryWrapper<LoginUserOrg> queryWrapper = new QueryWrapper<>();
        if (null != dto) {
            if (StringUtils.hasLength(dto.getRemote())) {
                queryWrapper.eq("remote", dto.getRemote());
            }
            if (StringUtils.hasLength(dto.getOrgId())) {
                queryWrapper.eq("org_id", dto.getOrgId());
            }
            if (StringUtils.hasLength(dto.getPersonId())) {
                queryWrapper.eq("person_id", dto.getPersonId());
            }
        }
        return queryWrapper;
    }
}